/*
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/.
 */

#pragma once

#include "IO/FileDescription.hpp"
#include "Data/Containers/Array.hpp"
#include <iterator>
#include <memory>

namespace OpenVulkano
{
	class ArchiveReader;

	class ArchiveReaderIterator
	{
	public:
		using iterator_category = std::input_iterator_tag;
		using value_type = std::pair<FileDescription, Array<char>>;
		using difference_type = std::ptrdiff_t;
		using pointer = const value_type*;
		using reference = const value_type&;

	private:
		ArchiveReader* m_reader;
		std::pair<FileDescription, Array<char>> m_current;

	public:
		explicit ArchiveReaderIterator(ArchiveReader* reader = nullptr);

		reference operator*() const
		{
			return m_current;
		}

		pointer operator->() const
		{
			return &m_current;
		}

		ArchiveReaderIterator& operator++();

		ArchiveReaderIterator operator++(int)
		{
			ArchiveReaderIterator tmp = *this;
			++(*this);
			return tmp;
		}

		bool operator==(const ArchiveReaderIterator& other) const
		{
			return m_reader == other.m_reader;
		}

		bool operator!=(const ArchiveReaderIterator& other) const
		{
			return !(*this == other);
		}
	};
}